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JPL Small-Body Database Browser
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226233 (2002 WG20)
Classification: Outer Main-belt Asteroid          SPK-ID: 2226233
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698918480523083 6.1815e-08  
a 3.961045085740074 6.9826e-08 au
q 3.288095815905179 2.6074e-07 au
i 1.624609993227537 7.1984e-06 deg
node 277.193810288083 0.00023939 deg
peri 223.96522755 0.00024047 deg
M 328.8808796352789 2.3886e-05 deg
tp 2458849.407462306927
(2019-Dec-31.90746231)
0.00019475 TDB
period 2879.473628440944
7.88
7.6139e-05
2.085e-07
d
yr
n .1250228501640828 3.3059e-09 deg/d
Q 4.633994355574968 8.1688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      6701 days (18.35 yr)  
   first obs. used      2000-09-03  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63678  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:52:59  

Additional Information
 Earth MOID = 2.30182 au 
 Jupiter MOID = .438306 au 
 T_jup = 3.033 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO427313  

226233 (2002 WG20)          Discovered 2002-Nov-25 by Hoenig, S. F. at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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